D.c.
(direct current)直流电, (District of Columbia)哥伦比亚特区\\n[电] 直流, direct current的简写
✅ 同义词
🗣️ 情景例句
During our stay in London, we visited Buckingham Place.
我们在伦敦逗留期间参观了白金汉宫。
That's ok fine.
挺好的。
Once waves have been generated,
一旦波浪形成，